3428809

Information

• Patent Grant
• 3428809

• References
• Source

• Patent Number

  3,428,809

• Date Filed

  Not available

• Date Issued

  Tuesday, February 18, 1969
  55 years ago

• CPC

  • H05G1/40 - using adjustable time-switch

• US Classifications

  • 378 - X-ray or gamma ray systems or devices